CVE-2026-46189
Published May 28, 2026
Modified Jun 1, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path Sashiko points out that pvrdma_uar_free() is already called within pvrdma_dealloc_ucontext(), so calling it before triggers a double free.
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EPSS — Exploit Prediction
0.0014
Probability of exploitation
0.04%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
References
Other References
https://git.kernel.org/stable/c/0c63333ff97bd1275294fd12840a0efe9d7a4c59
https://git.kernel.org/stable/c/1df5711121cdc11e76b889408fdbe459feba1d39
https://git.kernel.org/stable/c/269967d7693304e1f06ed2dff4ebbbeeb397cda4
https://git.kernel.org/stable/c/3a231c34c5bc3d3cfc850b877758ec9fdaa8a483
https://git.kernel.org/stable/c/45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0
https://git.kernel.org/stable/c/935ee27d0904aa944cbcc979094c20e5ef62eead
https://git.kernel.org/stable/c/e38e86995df27f1f854063dab1f0c6a513db3faf
https://git.kernel.org/stable/c/ecc36a82ecfcfdf3c6606d209f22ec5543c410e0
Frequently Asked Questions
What is CVE-2026-46189? +
In the Linux kernel, the following vulnerability has been resolved:
RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path
Sashiko points out that pvrdma_uar_free() is already called within
pvrdma_dealloc_ucontext(), so calling it before triggers a double free.
How do I check if I'm vulnerable to CVE-2026-46189? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.